(gdb) bt
#0  zend_mm_free_heap (ptr=<value optimized out>) at /data/wwwroot/source_code/php-7.0.2/Zend/zend_alloc.c:1400
#1  _efree (ptr=<value optimized out>) at /data/wwwroot/source_code/php-7.0.2/Zend/zend_alloc.c:2458
#2  0x00002aefe8319ef5 in _mongoc_counters_cleanup () at /data/wwwroot/swoole_server/extensions/mongo/mongodb-1.1.2/src/libmongoc/src/mongoc/mongoc-counters.c:132
#3  0x0000003154a0c1d3 in pthread_once () from /lib64/libpthread.so.0
#4  0x00002aefe82e979f in __do_global_dtors_aux () from /usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/mongodb.so
#5  0x000000001c0a6550 in ?? ()
#6  0x00007fff5629f8a0 in ?? ()
#7  0x00002aefe8340c91 in _fini () from /usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/mongodb.so
#8  0x00007fff5629f8a0 in ?? ()
#9  0x0000003153e0da94 in _dl_fini () from /lib64/ld-linux-x86-64.so.2
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
(gdb) f 0
#0  zend_mm_free_heap (ptr=<value optimized out>) at /data/wwwroot/source_code/php-7.0.2/Zend/zend_alloc.c:1400
1400			ZEND_MM_CHECK(chunk->heap == heap, "zend_mm_heap corrupted");
(gdb) f 2
#2  0x00002aefe8319ef5 in _mongoc_counters_cleanup () at /data/wwwroot/swoole_server/extensions/mongo/mongodb-1.1.2/src/libmongoc/src/mongoc/mongoc-counters.c:132
132	/data/wwwroot/swoole_server/extensions/mongo/mongodb-1.1.2/src/libmongoc/src/mongoc/mongoc-counters.c: No such file or directory.
	in /data/wwwroot/swoole_server/extensions/mongo/mongodb-1.1.2/src/libmongoc/src/mongoc/mongoc-counters.c
(gdb)